Jewellery, Watches and Objects of Vertu

A Rolex Prince Observatory wristwatch head, circa 1930s, the rectangular face with square dial with applied Arabic numerals and smaller square seconds dial below, the 17 jewel movement signed ‘Rolex, Prima’ and numbered ‘1896231’, the case signed to the inside ‘Rolex, Observatory, 10k gold filled’, (the watch is damaged and in need of repair), watch head dimensions 46mm x 20mm. £300-500